The Blackcastle Rings are earthworks and a promontory fort in the Parish of Greenlaw, above the left bank of the Blackadder Water, in the Scottish Borders area of Scotland. See also List of hill forts in Scotland List of places in the Scottish Borders List of places in Scotland External links RCAHMS record on the Blackcastle Rings CANMORE/RCAHMS record for Broomhill Black Dyke, opposite the Blackcastle Rings Notes on Berwickshire Forts Gazetteer for Scotland: Old County of Berwickshire - Blackcastle Rings GENUKI: Berwickshire Gazetteer - B GEOGRAPH image: Blackcastle Rings earthwork GEOGRAPH image: Deil's Neuk (Blackcastle Rings) Berwickshire Communities Online Archaeological sites in the Scottish Borders Scheduled Ancient Monuments in the Scottish Borders